2024-07-07 23:33:21 -04:00
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< h1 > WireProto Specification< / h1 >
< div class = "details" >
< span id = "author" class = "author" > Brent Saner< / span > < br >
< span id = "email" class = "email" > < a href = "mailto:bts@square-r00t.net" > bts@square-r00t.net< / a > < / span > < br >
2024-07-07 23:35:32 -04:00
< span id = "revdate" > Last rendered 2024-07-07 23:35:34 -0400< / span >
2024-07-07 23:33:21 -04:00
< / div >
< div id = "toc" class = "toc2" >
< div id = "toctitle" > Table of Contents< / div >
< ul class = "sectlevel1" >
< li > < a href = "#license" > 1. License< / a > < / li >
< li > < a href = "#proto" > 2. Protocol< / a >
< ul class = "sectlevel2" >
< li > < a href = "#lib" > 2.1. Library< / a > < / li >
< li > < a href = "#ytho" > 2.2. Why a Custom Message Format?< / a > < / li >
< / ul >
< / li >
< li > < a href = "#msg" > 3. Message Format< / a >
< ul class = "sectlevel2" >
< li > < a href = "#msg_respstatus" > 3.1. Response Status< / a > < / li >
< li > < a href = "#proto_ver" > 3.2. Protocol Version< / a > < / li >
< li > < a href = "#msg_grp" > 3.3. Record Group< / a >
< ul class = "sectlevel3" >
< li > < a href = "#msg_grp_rec" > 3.3.1. Record< / a >
< ul class = "sectlevel4" >
< li > < a href = "#msg_grp_rec_kv" > 3.3.1.1. Field/Value Pair (Key/Value Pair)< / a >
< ul class = "sectlevel5" >
< li > < a href = "#msg_grp_rec_kv_nm" > 3.3.1.1.1. Field Name< / a > < / li >
< li > < a href = "#msg_grp_rec_kv_val" > 3.3.1.1.2. Field Value< / a > < / li >
< / ul >
< / li >
< li > < a href = "#msg_grp_recresp" > 3.3.1.2. Copy Record (Response Copy of Request)< / a >
< ul class = "sectlevel5" >
< li > < a href = "#msg_grp_rec_kvcpy" > 3.3.1.2.1. Field/Value Pair (Key/Value Pair) (Response Copy)< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li > < a href = "#cksum" > 4. Checksums< / a > < / li >
< li > < a href = "#hdrs" > 5. Headers< / a >
< ul class = "sectlevel2" >
< li > < a href = "#hdrs_respstart" > 5.1. < code > RESPSTART< / code > Byte Sequence< / a > < / li >
< li > < a href = "#hdrs_cksum" > 5.2. < code > CKSUM< / code > Header Prefix< / a > < / li >
< li > < a href = "#hdrs_msgstart" > 5.3. < code > MSGSTART< / code > Header Prefix< / a > < / li >
< li > < a href = "#hdrs_bodystart" > 5.4. < code > BODYSTART< / code > Header Prefix< / a > < / li >
< li > < a href = "#hdrs_bodyend" > 5.5. < code > BODYEND< / code > Sequence< / a > < / li >
< li > < a href = "#hdrs_msgend" > 5.6. < code > MSGEND< / code > Sequence< / a > < / li >
< / ul >
< / li >
< li > < a href = "#alloc" > 6. Allocators< / a >
< ul class = "sectlevel2" >
< li > < a href = "#alloc_cnt" > 6.1. Count Allocator< / a > < / li >
< li > < a href = "#alloc_size" > 6.2. Size Allocator< / a > < / li >
< / ul >
< / li >
< li > < a href = "#ref" > 7. Reference Model and Examples< / a >
< ul class = "sectlevel2" >
< li > < a href = "#ref_single" > 7.1. Single/Simple< / a >
< ul class = "sectlevel3" >
< li > < a href = "#ref_single_req" > 7.1.1. Single/Simple Request< / a > < / li >
< li > < a href = "#ref_single_resp" > 7.1.2. Single/Simple Response< / a > < / li >
< / ul >
< / li >
< li > < a href = "#ref_multi" > 7.2. Multiple/Many/Complex< / a >
< ul class = "sectlevel3" >
< li > < a href = "#ref_multi_req" > 7.2.1. Complex Request< / a > < / li >
< li > < a href = "#ref_multi_resp" > 7.2.2. Complex Response< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / div >
< / div >
< div id = "content" >
< div class = "sect1" >
< h2 id = "license" > < a class = "link" href = "#license" > 1. License< / a > < / h2 >
< div class = "sectionbody" >
<!DOCTYPE html>
< html lang = "en" >
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< meta charset = "utf-8" >
< title > WireProto Specification License< / title >
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< / head >
< body >
< p >
< a property = "dct:title"
rel="cc:attributionURL"
href="https://wireproto.io">
WireProto Specification
< / a > by
< a rel = "cc:attributionURL dct:creator"
property="cc:attributionName"
href="https://r00t2.io">
Brent Saner
< / a > is licensed under
< a href = "https://creativecommons.org/licenses/by-sa/4.0/?ref=chooser-v1"
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< p >
< details >
< summary > (License in full)< / summary >
< pre >
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< / pre >
< / details >
< / p >
< / body >
< / html >
< div class = "paragraph" >
< p > In a nutshell, means you can:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > Use it in commercial/proprietary/internal works… ​ < / p >
< / li >
< li >
< p > Expand upon/change the specification… ​ < / p >
< div class = "ulist" >
< ul >
< li >
< p > (As long as it is released under the same Creative Commons license)< / p >
< / li >
< / ul >
< / div >
< / li >
< / ul >
< / div >
< div class = "paragraph" >
< p > As long as you attribute the original (this document). This can be as simple as something like:< / p >
< / div >
< div class = "exampleblock" >
< div class = "content" >
< div class = "paragraph" >
< p > Based on WireProto version < protocol version> as found at < a href = "https://wireproto.io/" class = "bare" > https://wireproto.io/< / a > .< / p >
< / div >
< / div >
< / div >
< div class = "paragraph" >
< p > More details certainly helps, though; you may want to mention the exact date you "forked" it, etc.< / p >
< / div >
< div class = "paragraph" >
< p > Please see the full text as collapsed above or < a href = "https://creativecommons.org/licenses/by-sa/4.0/legalcode.en" target = "_blank" rel = "noopener" > the online version< / a > of the license for full legal copy.< / p >
< / div >
< div class = "admonitionblock note" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Note< / div >
< / td >
< td class = "content" >
In the event of the embedded text in this document differing from the online version, the online version is assumed to take precedence as the valid license applicable to this work.
< / td >
< / tr >
< / table >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "proto" > < a class = "link" href = "#proto" > 2. Protocol< / a > < / h2 >
< div class = "sectionbody" >
< div class = "paragraph" >
< p > The WireProto data packing API is a custom wire protocol//message format designed for incredibly performant, unambiguous, predictable, platform-agnostic, client-agnostic communication. It is based heavily on the < a href = "https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.key" target = "_blank" rel = "noopener" > OpenSSH "v1" key format< / a > < a href = "https://git.r00t2.io/r00t2/go_sshkeys/src/branch/master/_ref/KEY_GUIDE.html#v1_plain_2" > (example/details)< / a > packing method.< / p >
< / div >
< div class = "paragraph" >
< p > It supports arbitrary binary values, which means they can be anything according to the implementation-specific details; a common practice is to encode ("marshal") a Go struct to JSON bytes, and set that as a WireProto field’ s value.< / p >
< / div >
< div class = "paragraph" >
< p > It supports both static construction/parsing/dissection and stream approaches in a single format, as well as multiple commands per request message/multiple answers per response message.< / p >
< / div >
< div class = "paragraph" >
< p > < strong > All< / strong > packed uint32 values are big-endian.< / p >
< / div >
< div class = "paragraph" >
< p > This specification < a href = "#proto_ver" > Protocol Version< / a > is < code > 1< / code > (< code > 0x00000001< / code > ).< / p >
< / div >
< div class = "sect2" >
< h3 id = "lib" > < a class = "link" href = "#lib" > 2.1. Library< / a > < / h3 >
< div class = "paragraph" >
< p > This protocol specification is accompanied with a reference library for Golang, < a href = "https://git.r00t2.io/r00t2/go_wireproto" target = "_blank" rel = "noopener" > "WireProto"< / a > (< a href = "https://git.r00t2.io/r00t2/wireproto" target = "_blank" rel = "noopener" > < em > source< / em > < / a > ):< / p >
< / div >
< a href = "https://pkg.go.dev/go.pkg.dev/r00t2.io/wireproto" >
< img src = "https://pkg.go.dev/badge/go.pkg.dev/r00t2.io/wireproto.svg"
alt="Go Reference">
< / a >
< / div >
< div class = "sect2" >
< h3 id = "ytho" > < a class = "link" href = "#ytho" > 2.2. Why a Custom Message Format?< / a > < / h3 >
< div class = "paragraph" >
< p > Because existing ones (e.g. JSON, XML, YAML) are slow/bloaty, inaccurate, and/or inflexible. They struggle with binary or abritrary data (or in e.g. XML’ s case requiring intermediate conditional encoding/decoding).< / p >
< / div >
< div class = "paragraph" >
< p > If it can be represented as bytes (which all digital data can), WireProto can send and receive it.< / p >
< / div >
< div class = "paragraph" >
< p > Additionally:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > < a href = "https://protobuf.dev/" target = "_blank" rel = "noopener" > < strong > Protobuf< / strong > < / a > has performance issues (yes, really; protobufs have large overhead) and is restrictive on data types for future-proofing.< / p >
< / li >
< li >
< p > < a href = "https://go.dev/blog/gob" target = "_blank" rel = "noopener" > < strong > Gob< / strong > < / a > is very language-limiting and does not support e.g. nil pointers and cyclical values.< / p >
< / li >
< li >
< p > < a href = "https://capnproto.org/" target = "_blank" rel = "noopener" > Cap’ n Proto< / a > has wide language support and excellent performance but is terribly non-idiomatic, requiring the code to be generated from the schema and not vice versa (which is only ideal if you have only one communication interface).< / p >
< / li >
< li >
< p > < a href = "https://en.wikipedia.org/wiki/JSON_streaming" target = "_blank" rel = "noopener" > JSON streams< / a > have no delimiters defined, and thus this makes it an inconvenience if using a parser that does not know when the message ends/is complete, or if it is expecting a standalone JSON object.< / p >
< / li >
< / ul >
< / div >
< div class = "admonitionblock tip" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Tip< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > WireProto is only used for binary packing/unpacking; this means it can be used with any e.g. < a href = "https://pkg.go.dev/net#Conn" target = "_blank" rel = "noopener" > < code > net.Conn< / code > < / a > (and even has helper functions explicitly to facilitate this), storage on-disk, etc.< / p >
< / div >
< div class = "paragraph" >
< p > Thus it is transport/storage-agnostic, and can be used with a < a href = "https://pkg.go.dev/net#Dial" target = "_blank" rel = "noopener" > TCP socket, UDP socket, IPC (InterProcess Communication)/UDS (UNIX Domain Socket) handle,< / a > < a href = "https://pkg.go.dev/crypto/tls#Dial" target = "_blank" rel = "noopener" > TLS-tunneled TCP socket< / a > , etc.< / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "msg" > < a class = "link" href = "#msg" > 3. Message Format< / a > < / h2 >
< div class = "sectionbody" >
< div class = "admonitionblock tip" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Tip< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > Throughout this document, you may see references to things like < code > LF< / code > , < code > SOH< / code > , and so forth.< / p >
< / div >
< div class = "paragraph" >
< p > These refer to < em > ASCII control characters< / em > . You will also see many values represented in hex.< / p >
< / div >
< div class = "paragraph" >
< p > You can find more details about this (along with a full ASCII reference) < a href = "https://square-r00t.net/ascii.html" target = "_blank" rel = "noopener" > here< / a > . Note that the socket API fully supports UTF-8  —   just be sure that your < a href = "#alloc_size" > Size Allocator< / a > are aligned to the byte count, not character count.< / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< div class = "paragraph" >
< p > Each < strong > message< / strong > is generally composed of:< / p >
< / div >
< div class = "ulist" >
< ul >
< li >
< p > The < a href = "#msg_respstatus" > Response Status< / a > < sup class = "footnote" id = "_footnote_responly" > [< a id = "_footnoteref_1" class = "footnote" href = "#_footnotedef_1" title = "View footnote." > 1< / a > ]< / sup > < / p >
< / li >
< li >
< p > A < a href = "#cksum" > Checksum< / a > < sup class = "footnote" id = "_footnote_optclient" > [< a id = "_footnoteref_2" class = "footnote" href = "#_footnotedef_2" title = "View footnote." > 2< / a > ]< / sup > < sup class = "footnote" id = "_footnote_reqsrv" > [< a id = "_footnoteref_3" class = "footnote" href = "#_footnotedef_3" title = "View footnote." > 3< / a > ]< / sup > < / p >
< / li >
< li >
< p > A < a href = "#proto_ver" > Protocol Version< / a > < / p >
< / li >
< li >
< p > A < a href = "#hdrs_msgstart" > < code > MSGSTART< / code > Header Prefix< / a > < / p >
< / li >
< li >
< p > A < a href = "#msg_grp" > Record Group< / a > < a href = "#alloc_cnt" > Count Allocator< / a > < / p >
< / li >
< li >
< p > A < a href = "#msg_grp" > Record Group< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > A < a href = "#hdrs_bodystart" > < code > BODYSTART< / code > Header Prefix< / a > < / p >
< / li >
< li >
< p > One (or more) < a href = "#msg_grp" > Record Group< / a > (s), each of which contain:< / p >
< div class = "ulist" >
< ul >
< li >
< p > One (or more) < a href = "#msg_grp_rec" > Record< / a > (s), each of which contain:< / p >
< div class = "ulist" >
< ul >
< li >
< p > One (or more) < a href = "#msg_grp_rec_kv" > Field/Value pair< / a > (s), each of which contain:< / p >
< div class = "ulist" >
< ul >
< li >
< p > A < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > < / p >
< / li >
< li >
< p > A < a href = "#msg_grp_rec_kv_val" > Field Value< / a > < / p >
< / li >
< li >
< p > A < a href = "#msg_grp_recresp" > Copy Record< / a > < sup class = "footnoteref" > [< a class = "footnote" href = "#_footnotedef_1" title = "View footnote." > 1< / a > ]< / sup > < / p >
< / li >
< / ul >
< / div >
< / li >
< / ul >
< / div >
< / li >
< / ul >
< / div >
< / li >
< li >
< p > A < a href = "#hdrs_bodyend" > < code > BODYEND< / code > Sequence< / a > < / p >
< / li >
< li >
< p > A < a href = "#hdrs_msgend" > < code > MSGEND< / code > Sequence< / a > < / p >
< / li >
< / ul >
< / div >
< div class = "sect2" >
< h3 id = "msg_respstatus" > < a class = "link" href = "#msg_respstatus" > 3.1. Response Status< / a > < / h3 >
< div class = "paragraph" >
< p > For responses, their messages have an additional byte prepended; a status indicator.
This allows client programs to quickly bail in the case of an error if no further parsing is desired.< / p >
< / div >
< div class = "paragraph" >
< p > The status will be indicated by one of < a href = "#hdrs_respstart" > two values< / a > : an ASCII < code > ACK< / code > (< code > 0x06< / code > ) for all requests being returned successfully or an ASCII < code > NAK< / code > (< code > 0x15< / code > ) if one or more errors were encountered across all records.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "proto_ver" > < a class = "link" href = "#proto_ver" > 3.2. Protocol Version< / a > < / h3 >
< div class = "paragraph" >
< p > The protocol version is a packed uint32 that denotes which version of this protocol specification is being used.< / p >
< / div >
< div class = "paragraph" >
< p > It is maintained seperately from the < strong > library< / strong > version/repo tags.< / p >
< / div >
< div class = "paragraph" >
< p > The current protocol version (as demonstrated in this document) is < code > 1< / code > (< code > 0x00000001< / code > ).< / p >
< / div >
< div class = "admonitionblock note" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Note< / div >
< / td >
< td class = "content" >
Version < code > 0< / code > is reserved for current < code > HEAD< / code > of the < code > master< / code > branch of this specification and should be considered experimental.
< / td >
< / tr >
< / table >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "msg_grp" > < a class = "link" href = "#msg_grp" > 3.3. Record Group< / a > < / h3 >
< div class = "paragraph" >
< p > A record group contains multiple related < a href = "#msg_grp_rec" > Records< / a > . It is common to only have a single Record Group.< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > < a href = "#msg_grp_rec" > Record< / a > < a href = "#alloc_cnt" > Count Allocator< / a > < / p >
< / li >
< li >
< p > < a href = "#msg_grp_rec" > Record< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > One (or more) < a href = "#msg_grp_rec" > Records< / a > < / p >
< / li >
< / ol >
< / div >
< div class = "sect3" >
< h4 id = "msg_grp_rec" > < a class = "link" href = "#msg_grp_rec" > 3.3.1. Record< / a > < / h4 >
< div class = "paragraph" >
< p > A record contains multiple related < a href = "#msg_grp_rec_kv" > Field/Value Pairs (FVP)< / a > . It is typical to only have a single Record.< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > < a href = "#msg_grp_rec_kv" > Field/Value Pair (Key/Value Pair)< / a > < a href = "#alloc_cnt" > Count Allocator< / a > < / p >
< / li >
< li >
< p > < a href = "#msg_grp_rec_kv" > Field/Value Pair (Key/Value Pair)< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > One (or more) < a href = "#msg_grp_rec_kv" > Field/Value Pairs< / a > < / p >
< / li >
< / ol >
< / div >
< div class = "admonitionblock important" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Important< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > For response messages, the record’ s size allocator (but NOT the count allocator) includes the < a href = "#msg_grp_recresp" > Copy Record< / a > size for each response record copy!< sup class = "footnoteref" > [< a class = "footnote" href = "#_footnotedef_1" title = "View footnote." > 1< / a > ]< / sup > < / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< div class = "sect4" >
< h5 id = "msg_grp_rec_kv" > < a class = "link" href = "#msg_grp_rec_kv" > 3.3.1.1. Field/Value Pair (Key/Value Pair)< / a > < / h5 >
< div class = "paragraph" >
< p > A field/value pair (also referred to as a key/value pair) contains a matched < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > and its < a href = "#msg_grp_rec_kv_val" > Field Value< / a > .< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > < a href = "#msg_grp_rec_kv_val" > Field Value< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > A single < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > < / p >
< / li >
< li >
< p > A single matching < a href = "#msg_grp_rec_kv_val" > Field Value< / a > < / p >
< / li >
< / ol >
< / div >
< div class = "admonitionblock important" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Important< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > Unlike most/all other < a href = "#alloc" > Allocators< / a > for other sections/levels, the field name and value allocators are consecutive < a href = "#alloc_size" > Size Allocators< / a > ! This is because there is only one field name and value per record.< / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< div class = "sect5" >
< h6 id = "msg_grp_rec_kv_nm" > < a class = "link" href = "#msg_grp_rec_kv_nm" > 3.3.1.1.1. Field Name< / a > < / h6 >
< div class = "paragraph" >
< p > The field name is usually from a finite set of allowed names. The < a href = "#msg_grp_rec_kv_val" > Field Value< / a > , while written as bytes, often contains a data structure defined by the field name. (A field name is closer to a "value type".) It < strong > must< / strong > be a UTF-8 string.< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > The name in bytes< / p >
< / li >
< / ol >
< / div >
< / div >
< div class = "sect5" >
< h6 id = "msg_grp_rec_kv_val" > < a class = "link" href = "#msg_grp_rec_kv_val" > 3.3.1.1.2. Field Value< / a > < / h6 >
< div class = "paragraph" >
< p > A field’ s value is, on the wire, just a series of bytes. The actual content of those bytes, including any structure or encoding, is likely to/probably depends on the paired < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > .< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > The value in bytes< / p >
< / li >
< / ol >
< / div >
< / div >
< / div >
< div class = "sect4" >
< h5 id = "msg_grp_recresp" > < a class = "link" href = "#msg_grp_recresp" > 3.3.1.2. Copy Record (Response Copy of Request)< / a > < / h5 >
< div class = "paragraph" >
< p > This contains a "copy" of the original/request’ s < a href = "#msg_grp_rec" > Record< / a > that this record is in response to.< / p >
< / div >
< div class = "paragraph" >
< p > It is a variant of a < a href = "#msg_grp_rec" > Record< / a > used exclusively in responses, and is tied to (included in) each response’ s < a href = "#msg_grp_rec_kv" > FVP< / a > .< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > < a href = "#msg_grp_rec_kvcpy" > Field/Value Pair (Key/Value Pair) (Response Copy)< / a > < a href = "#alloc_cnt" > Count Allocator< / a > < / p >
< / li >
< li >
< p > < a href = "#msg_grp_rec_kvcpy" > Field/Value Pair (Key/Value Pair) (Response Copy)< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > One (or more) < a href = "#msg_grp_rec_kvcpy" > Field/Value Pairs (Response Copy)< / a > < / p >
< / li >
< / ol >
< / div >
< div class = "sect5" >
< h6 id = "msg_grp_rec_kvcpy" > < a class = "link" href = "#msg_grp_rec_kvcpy" > 3.3.1.2.1. Field/Value Pair (Key/Value Pair) (Response Copy)< / a > < / h6 >
< div class = "paragraph" >
< p > A field/value pair (also referred to as a key/value pair) contains a matched < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > and its < a href = "#msg_grp_rec_kv_val" > Field Value< / a > .< / p >
< / div >
< div class = "paragraph" >
< p > It is a variant of a < a href = "#msg_grp_rec_kv" > Field/Value Pair< / a > used exclusively in response copies of the original request’ s FVP.< / p >
< / div >
< div class = "paragraph" >
< p > Its structure is:< / p >
< / div >
< div class = "olist arabic" >
< ol class = "arabic" >
< li >
< p > < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > < a href = "#msg_grp_rec_kv_val" > Field Value< / a > < a href = "#alloc_size" > Size Allocator< / a > < / p >
< / li >
< li >
< p > A single < a href = "#msg_grp_rec_kv_nm" > Field Name< / a > < / p >
< / li >
< li >
< p > A single matching < a href = "#msg_grp_rec_kv_val" > Field Value< / a > < / p >
< / li >
< / ol >
< / div >
< div class = "admonitionblock important" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Important< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > Unlike most/all other < a href = "#alloc" > Allocators< / a > for other sections/levels, the field name and value allocators are consecutive < a href = "#alloc_size" > Size Allocators< / a > ! This is because there is only one field name and value per record.< / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "cksum" > < a class = "link" href = "#cksum" > 4. Checksums< / a > < / h2 >
< div class = "sectionbody" >
< div class = "paragraph" >
< p > Checksums are optional for the client but the server will < strong > always< / strong > send them. < strong > If present< / strong > in the request, the server will validate to ensure the checksum matches the message body (< a href = "#hdrs_bodystart" > body start< / a > to < a href = "#hdrs_bodyend" > body end< / a > , headers included). If the checksum does not match, an error will be returned.< / p >
< / div >
< div class = "paragraph" >
< p > They are represented as a big-endian-packed uint32.< / p >
< / div >
< div class = "paragraph" >
< p > The checksum must be prefixed with a < a href = "#hdrs_cksum" > < code > CKSUM< / code > Header Prefix< / a > . If no checksum is provided, this prefix must < strong > not< / strong > be included in the sequence.< / p >
< / div >
< div class = "admonitionblock tip" >
< table >
< tr >
< td class = "icon" >
< div class = "title" > Tip< / div >
< / td >
< td class = "content" >
< div class = "paragraph" >
< p > You can quickly check if a checksum is present by checking the first byte in requests or the second byte in responses. If it is < code > ESC< / code > (< code > 0x1b< / code > ), a checksum is provided. If it is < code > SOH< / code > (< code > 0x01< / code > ), one was < strong > not< / strong > provided.< / p >
< / div >
< / td >
< / tr >
< / table >
< / div >
< div class = "paragraph" >
< p > The checksum method used is the < a href = "https://users.ece.cmu.edu/~koopman/crc/crc32.html" target = "_blank" rel = "noopener" > IEEE 802.3 CRC-32< / a > , which should be natively available for all/most client implementations as it is perhaps the most ubiquitous of CRC-32 variants. (Polynomial < code > 0x04c11db7< / code > , reversed polynomial < code > 0xedb88320< / code > .)< / p >
< / div >
< div class = "paragraph" >
< p > To confirm you are using the correct CRC32 implementation (as there are a < strong > ton< / strong > of "CRC-32" algorithms and methods out there), use the following validations:< / p >
< / div >
< table class = "tableblock frame-all grid-all stretch" >
< caption class = "title" > Table 1. CRC-32 Validations< / caption >
< colgroup >
< col style = "width: 20%;" >
< col style = "width: 30%;" >
< col style = "width: 10%;" >
< col style = "width: 20%;" >
< col style = "width: 20%;" >
< / colgroup >
< thead >
< tr >
< th class = "tableblock halign-center valign-middle" > String< / th >
< th class = "tableblock halign-center valign-middle" > Bytes< / th >
< th class = "tableblock halign-center valign-middle" > Checksum (integer)< / th >
< th class = "tableblock halign-center valign-middle" > Checksum (bytes, little-endian)< / th >
< th class = "tableblock halign-center valign-middle" > Checksum (bytes, big-endian)< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > FooBarBazQuux< / code > < / p > < / td >
< td class = "tableblock halign-left valign-top" > < p class = "tableblock" > < code > 0x466f6f42617242617a51757578< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 983022564< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 0xe4bb973a< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 0x3a97bbe4< / code > < / p > < / td >
< / tr >
< tr >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 0123456789abcdef< / code > < / p > < / td >
< td class = "tableblock halign-left valign-top" > < p class = "tableblock" > < code > 0x30313233343536373839616263646566< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 1757737011< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 0x33f0c468< / code > < / p > < / td >
< td class = "tableblock halign-center valign-middle" > < p class = "tableblock" > < code > 0x68c4f033< / code > < / p > < / td >
< / tr >
< / tbody >
< / table >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "hdrs" > < a class = "link" href = "#hdrs" > 5. Headers< / a > < / h2 >
< div class = "sectionbody" >
< div class = "paragraph" >
< p > Certain sections are wrapped with an identifying header. Those headers are included below for reference.< / p >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_respstart" > < a class = "link" href = "#hdrs_respstart" > 5.1. < code > RESPSTART< / code > Byte Sequence< / a > < / h3 >
< div class = "paragraph" >
< p > Responses have a < a href = "#msg_respstatus" > Response Status< / a > .< sup class = "footnoteref" > [< a class = "footnote" href = "#_footnotedef_1" title = "View footnote." > 1< / a > ]< / sup > < / p >
< / div >
< div class = "paragraph" >
< p > It is either an < code > ACK< / code > (< code > 0x06< / code > ) or < code > NAK< / code > (< code > 0x15< / code > ).< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_cksum" > < a class = "link" href = "#hdrs_cksum" > 5.2. < code > CKSUM< / code > Header Prefix< / a > < / h3 >
< div class = "paragraph" >
< p > A checksum, if provided, will have a prefix header of < code > ESC< / code > (< code > 0x1b< / code > ).< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_msgstart" > < a class = "link" href = "#hdrs_msgstart" > 5.3. < code > MSGSTART< / code > Header Prefix< / a > < / h3 >
< div class = "paragraph" >
< p > The message start header indicates a start of a message.< / p >
< / div >
< div class = "paragraph" >
< p > It is an < code > SOH< / code > (< code > 0x01< / code > ).< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_bodystart" > < a class = "link" href = "#hdrs_bodystart" > 5.4. < code > BODYSTART< / code > Header Prefix< / a > < / h3 >
< div class = "paragraph" >
< p > The body start header indicates that actual data/records follows.< / p >
< / div >
< div class = "paragraph" >
< p > It is an < code > STX< / code > (< code > 0x02< / code > ).< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_bodyend" > < a class = "link" href = "#hdrs_bodyend" > 5.5. < code > BODYEND< / code > Sequence< / a > < / h3 >
< div class = "paragraph" >
< p > The body end prefix indicates the end of data/records.< / p >
< / div >
< div class = "paragraph" >
< p > It is an < code > ETX< / code > (< code > 0x03< / code > ).< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "hdrs_msgend" > < a class = "link" href = "#hdrs_msgend" > 5.6. < code > MSGEND< / code > Sequence< / a > < / h3 >
< div class = "paragraph" >
< p > The message end prefix indicates that a message in its entirety has ended.< / p >
< / div >
< div class = "paragraph" >
< p > It is an < code > EOT< / code > (< code > 0x04< / code > ).< / p >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "alloc" > < a class = "link" href = "#alloc" > 6. Allocators< / a > < / h2 >
< div class = "sectionbody" >
< div class = "paragraph" >
< p > There are two type of allocators included for each following sequence of bytes: < code > count allocators< / code > and < code > size allocators< / code > .< / p >
< / div >
< div class = "paragraph" >
< p > They can be used by clients to determine the size of destination buffers, and are used by the server to efficiently unpack requests.< / p >
< / div >
< div class = "paragraph" >
< p > They are usually paired together with the count allocator preceding the size allocator, but not always (e.g. < a href = "#msg_grp_rec_kv" > Field/Value Pair (Key/Value Pair)< / a > have two < a href = "#alloc_size" > Size Allocator< / a > ).< / p >
< / div >
< div class = "paragraph" >
< p > All allocators are unsigned 32-bit integers, little-endian-packed.< / p >
< / div >
< div class = "sect2" >
< h3 id = "alloc_cnt" > < a class = "link" href = "#alloc_cnt" > 6.1. Count Allocator< / a > < / h3 >
< div class = "paragraph" >
< p > Count allocators indicate < strong > how many< / strong > children objects are contained.< / p >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "alloc_size" > < a class = "link" href = "#alloc_size" > 6.2. Size Allocator< / a > < / h3 >
< div class = "paragraph" >
< p > Size allocators indicate < strong > how much< / strong > (in bytes) all children objects are combined together. It includes e.g. separators, etc.< / p >
< / div >
< / div >
< / div >
< / div >
< div class = "sect1" >
< h2 id = "ref" > < a class = "link" href = "#ref" > 7. Reference Model and Examples< / a > < / h2 >
< div class = "sectionbody" >
< div class = "paragraph" >
< p > For a more visual explanation, given the following e.g. Golang structs from the < a href = "https://pkg.go.dev/r00t2.io/wireproto" target = "_blank" rel = "noopener" > Golang reference library< / a > (< code > wireproto.Request{}< / code > and < code > wireproto.Response{}< / code > ):< / p >
< / div >
< div class = "sect2" >
< h3 id = "ref_single" > < a class = "link" href = "#ref_single" > 7.1. Single/Simple< / a > < / h3 >
< div class = "sect3" >
< h4 id = "ref_single_req" > < a class = "link" href = "#ref_single_req" > 7.1.1. Single/Simple Request< / a > < / h4 >
< details >
< summary class = "title" > Example Message Structure (Simple Request)< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "go" > < span class = "k" > package< / span > < span class = "n" > wireproto< / span >
< span class = "k" > var< / span > < span class = "p" > (< / span >
< span class = "c" > // REQUEST (Simple)< / span >
< span class = "n" > testSimpleReq< / span > < span class = "o" > *< / span > < span class = "n" > Request< / span > < span class = "o" > =< / span > < span class = "o" > & < / span > < span class = "n" > Request< / span > < span class = "p" > {< / span >
< span class = "n" > ProtocolVersion< / span > < span class = "o" > :< / span > < span class = "n" > ProtoVersion< / span > < span class = "p" > ,< / span >
< span class = "n" > RecordGroups< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > RequestRecordGroup< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "field1"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "value1"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "field2"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "value2"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span > < / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Would then serialize as (in hex):< / p >
< / div >
< details >
< summary class = "title" > Annotated Hex< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > // REQUEST (Simple)
-------- // (No Checksum Present)
01 // HDR:MSGSTART
00000001 // Protocol Version (1)
02 // HDR:BODYSTART
00000001 // Record Group Count (1)
00000038 // Record Groups Size (56)
// Record Group 1 (56 bytes)
00000001 // Record Count (1)
00000030 // Record Group Size (48)
// Record Group 1, Record 1 (48 bytes)
00000002 // Field/Value Count (2)
00000028 // Record Size (40)
// Record Group 1, Record 1, Field/Value 1 (20 bytes)
00000006 // Field Name Size (6)
00000006 // Field Value Size (6)
6669656c6431 // "field1"
76616c756531 // "value1"
// Record Group 1, Record 1, Field/Value 2 (20 bytes)
00000006 // Field Name Size (6)
00000006 // Field Value Size (6)
6669656c6432 // "field2"
76616c756532 // "value2"
03 // HDR:BODYEND
04 // HDR:MSGEND< / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Or, non-annotated:< / p >
< / div >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > 01000000010200000001000000380000000100000030000000020000002800000006000000066669
656c643176616c75653100000006000000066669656c643276616c7565320304< / code > < / pre >
< / div >
< / div >
< / div >
< div class = "sect3" >
< h4 id = "ref_single_resp" > < a class = "link" href = "#ref_single_resp" > 7.1.2. Single/Simple Response< / a > < / h4 >
< details >
< summary class = "title" > Example Message Structure (Simple Response)< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "go" > < span class = "k" > package< / span > < span class = "n" > wireproto< / span >
< span class = "k" > var< / span > < span class = "p" > (< / span >
< span class = "c" > // RESPONSE (Simple)< / span >
< span class = "n" > testSimpleResp< / span > < span class = "o" > *< / span > < span class = "n" > Response< / span > < span class = "o" > =< / span > < span class = "o" > & < / span > < span class = "n" > Response< / span > < span class = "p" > {< / span >
< span class = "n" > Status< / span > < span class = "o" > :< / span > < span class = "n" > AsciiACK< / span > < span class = "p" > ,< / span >
< span class = "n" > Checksum< / span > < span class = "o" > :< / span > < span class = "m" > 4005376897< / span > < span class = "p" > ,< / span > < span class = "c" > // 0xeebd3381< / span >
< span class = "n" > ProtocolVersion< / span > < span class = "o" > :< / span > < span class = "n" > ProtoVersion< / span > < span class = "p" > ,< / span >
< span class = "n" > RecordGroups< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > ResponseRecordGroup< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "data1"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "< arbitrary data> "< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "n" > OriginalRecord< / span > < span class = "o" > :< / span > < span class = "n" > testSimpleReq< / span > < span class = "o" > .< / span > < span class = "n" > RecordGroups< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > Records< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span > < / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Would then serialize as (in hex):< / p >
< / div >
< details >
< summary class = "title" > Annotated Hex< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > // RESPONSE (Simple)
06 // HDR:RESPSTART (Status: OK)
1b // HDR:CKSUM
5fde82e5 // Checksum Value (1608418021)
01 // HDR:MSGSTART
00000001 // Protocol Version (1)
02 // HDR:BODYSTART
00000001 // Record Group Count (1)
00000061 // Record Groups Size (97)
// Record Group 1 (97)
00000001 // Record Count (1)
00000059 // Record Group Size (89)
// Record Group 1, Record 1 (89 bytes)
00000001 // Field/Value Count (1)
0000001d // Record Size (29)
00000030 // Request Record Size (48)
// Record Group 1, Record 1, Field/Value 1 (29 bytes)
00000005 // Field Name Size (5)
00000010 // Field Value Size (16)
6461746131 // "data1"
3c6172626974726172792064 // "< arbitrary data> "
6174613e
// Record Group 1, Record 1 (REQUEST RECORD) (48 bytes)
00000002 // Field/Value Count (2)
00000028 // Record Size (40)
// Record Group 1, Record 1, Field/Value 1 (20 bytes)
00000006 // Field Name Size (6)
00000006 // Field Value Size (6)
6669656c6431 // "field1"
76616c756531 // "value1"
// Record Group 1, Record 1, Field/Value 2 (20 bytes)
00000006 // Field Name Size (6)
00000006 // Field Value Size (6)
6669656c6432 // "field2"
76616c756532 // "value2"
03 // HDR:BODYEND
04 // HDR:MSGEND< / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Or, non-annotated:< / p >
< / div >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > 061b5fde82e501000000010200000001000000610000000100000059000000010000001d00000030
000000050000001064617461313c61726269747261727920646174613e0000000200000028000000
06000000066669656c643176616c75653100000006000000066669656c643276616c7565320304< / code > < / pre >
< / div >
< / div >
< / div >
< / div >
< div class = "sect2" >
< h3 id = "ref_multi" > < a class = "link" href = "#ref_multi" > 7.2. Multiple/Many/Complex< / a > < / h3 >
< div class = "paragraph" >
< p > Multiple commands, parameters, etc. can be specified in one message.< / p >
< / div >
< div class = "sect3" >
< h4 id = "ref_multi_req" > < a class = "link" href = "#ref_multi_req" > 7.2.1. Complex Request< / a > < / h4 >
< details >
< summary class = "title" > Example Message Structure (Multiple/Many Requests, Single Message)< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "go" > < span class = "k" > package< / span > < span class = "n" > wireproto< / span >
< span class = "k" > var< / span > < span class = "p" > (< / span >
< span class = "c" > // REQUEST (Complex)< / span >
< span class = "n" > testMultiReq< / span > < span class = "o" > *< / span > < span class = "n" > Request< / span > < span class = "o" > =< / span > < span class = "o" > & < / span > < span class = "n" > Request< / span > < span class = "p" > {< / span >
< span class = "n" > ProtocolVersion< / span > < span class = "o" > :< / span > < span class = "n" > ProtoVersion< / span > < span class = "p" > ,< / span >
< span class = "n" > RecordGroups< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > RequestRecordGroup< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldA1A"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueA1A"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldA1B"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueA1B"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldA2A"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueA2A"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldA2B"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueA2B"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldB1A"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueB1A"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldB1B"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueB1B"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > RequestRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldB2A"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueB2A"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "fieldB2B"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "valueB2B"< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span > < / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Would then serialize as (in hex):< / p >
< / div >
< details >
< summary class = "title" > Annotated Hex< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > // REQUEST (Complex)
-------- // (No Checksum Present)
01 // HDR:MSGSTART
00000001 // Protocol Version (1)
02 // HDR:BODYSTART
00000002 // Record Group Count (2)
000000f0 // Record Groups Size (240)
// Record Group 1 (120 bytes)
00000002 // Record Count (2)
00000070 // Record Group Size (112)
// Record Group 1, Record 1 (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 1, Record 1, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413141 // "fieldA1A"
76616c7565413141 // "valueA1A"
// Record Group 1, Record 1, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413142 // "fieldA1B"
76616c7565413142 // "valueA1B"
// Record Group 1, Record 2 (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 1, Record 2, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413241 // "fieldA2A"
76616c7565413241 // "valueA2A"
// Record Group 1, Record 2, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413242 // "fieldA2B"
76616c7565413242 // "valueA2B"
// Record Group 2 (120 bytes)
00000002 // Record Count (2)
00000070 // Record Group Size (112)
// Record Group 2, Record 1 (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 2, Record 1, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423141 // "fieldB1A"
76616c7565423141 // "valueB1A"
// Record Group 2, Record 1, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423142 // "fieldB1B"
76616c7565423142 // "valueB1B"
// Record Group 2, Record 2 (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 2, Record 2, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423241 // "fieldB2A"
76616c7565423241 // "valueB2A"
// Record Group 2, Record 2, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423242 // "fieldB2B"
76616c7565423242 // "valueB2B"
03 // HDR:BODYEND
04 // HDR:MSGEND< / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Or, non-annotated:< / p >
< / div >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > 01000000010200000002000000f00000000200000070000000020000003000000008000000086669
656c6441314176616c756541314100000008000000086669656c6441314276616c75654131420000
00020000003000000008000000086669656c6441324176616c756541324100000008000000086669
656c6441324276616c75654132420000000200000070000000020000003000000008000000086669
656c6442314176616c756542314100000008000000086669656c6442314276616c75654231420000
00020000003000000008000000086669656c6442324176616c756542324100000008000000086669
656c6442324276616c75654232420304< / code > < / pre >
< / div >
< / div >
< / div >
< div class = "sect3" >
< h4 id = "ref_multi_resp" > < a class = "link" href = "#ref_multi_resp" > 7.2.2. Complex Response< / a > < / h4 >
< details >
< summary class = "title" > Example Message Structure (Response to Multiple/Many Requests, Single Message)< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "go" > < span class = "k" > package< / span > < span class = "n" > wireproto< / span >
< span class = "k" > var< / span > < span class = "p" > (< / span >
< span class = "c" > // RESPONSE (Complex)< / span >
< span class = "n" > testMultiResp< / span > < span class = "o" > *< / span > < span class = "n" > Response< / span > < span class = "o" > =< / span > < span class = "o" > & < / span > < span class = "n" > Response< / span > < span class = "p" > {< / span >
< span class = "n" > Status< / span > < span class = "o" > :< / span > < span class = "n" > AsciiACK< / span > < span class = "p" > ,< / span >
< span class = "n" > Checksum< / span > < span class = "o" > :< / span > < span class = "m" > 2563794802< / span > < span class = "p" > ,< / span > < span class = "c" > // 98d06772< / span >
< span class = "n" > ProtocolVersion< / span > < span class = "o" > :< / span > < span class = "n" > ProtoVersion< / span > < span class = "p" > ,< / span >
< span class = "n" > RecordGroups< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > ResponseRecordGroup< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "dataA1"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "< arbitrary data> "< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "n" > OriginalRecord< / span > < span class = "o" > :< / span > < span class = "n" > testMultiReq< / span > < span class = "o" > .< / span > < span class = "n" > RecordGroups< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > Records< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "dataA2"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "< arbitrary data> "< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "n" > OriginalRecord< / span > < span class = "o" > :< / span > < span class = "n" > testMultiReq< / span > < span class = "o" > .< / span > < span class = "n" > RecordGroups< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > Records< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ],< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecordGroup< / span > < span class = "p" > {< / span >
< span class = "n" > Records< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "dataB1"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "< arbitrary data> "< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "n" > OriginalRecord< / span > < span class = "o" > :< / span > < span class = "n" > testMultiReq< / span > < span class = "o" > .< / span > < span class = "n" > RecordGroups< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > Records< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span >
< span class = "p" > },< / span >
< span class = "o" > & < / span > < span class = "n" > ResponseRecord< / span > < span class = "p" > {< / span >
< span class = "n" > Pairs< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "o" > & < / span > < span class = "n" > FieldValuePair< / span > < span class = "p" > {< / span >
< span class = "n" > Name< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "dataB2"< / span > < span class = "p" > ),< / span >
< span class = "n" > Value< / span > < span class = "o" > :< / span > < span class = "p" > []< / span > < span class = "kt" > byte< / span > < span class = "p" > (< / span > < span class = "s" > "< arbitrary data> "< / span > < span class = "p" > ),< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "n" > OriginalRecord< / span > < span class = "o" > :< / span > < span class = "n" > testMultiReq< / span > < span class = "o" > .< / span > < span class = "n" > RecordGroups< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > Records< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ],< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > },< / span >
< span class = "p" > }< / span >
< span class = "p" > )< / span > < / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Would then serialize as (in hex):< / p >
< / div >
< details >
< summary class = "title" > Annotated Hex< / summary >
< div class = "content" >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > // RESPONSE (Complex)
06 // HDR:RESPSTART (Status: OK)
1b // HDR:CKSUM
d0ba719f // Checksum Value (3501879711)
01 // HDR:MSGSTART
00000001 // Protocol Version (1)
02 // HDR:BODYSTART
00000002 // Record Group Count (2)
00000198 // Record Groups Size (408)
// Record Group 1 (204)
00000002 // Record Count (2)
000000c4 // Record Group Size (196)
// Record Group 1, Record 1 (98 bytes)
00000001 // Field/Value Count (1)
0000001e // Record Size (30)
00000038 // Request Record Size (56)
// Record Group 1, Record 1, Field/Value 1 (30 bytes)
00000006 // Field Name Size (6)
00000010 // Field Value Size (16)
646174614131 // "dataA1"
3c6172626974726172792064 // "< arbitrary data> "
6174613e
// Record Group 1, Record 1 (REQUEST RECORD) (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 1, Record 1, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413141 // "fieldA1A"
76616c7565413141 // "valueA1A"
// Record Group 1, Record 1, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413142 // "fieldA1B"
76616c7565413142 // "valueA1B"
// Record Group 1, Record 2 (98 bytes)
00000001 // Field/Value Count (1)
0000001e // Record Size (30)
00000038 // Request Record Size (56)
// Record Group 1, Record 2, Field/Value 1 (30 bytes)
00000006 // Field Name Size (6)
00000010 // Field Value Size (16)
646174614132 // "dataA2"
3c6172626974726172792064 // "< arbitrary data> "
6174613e
// Record Group 1, Record 2 (REQUEST RECORD) (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 1, Record 2, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413241 // "fieldA2A"
76616c7565413241 // "valueA2A"
// Record Group 1, Record 2, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64413242 // "fieldA2B"
76616c7565413242 // "valueA2B"
// Record Group 2 (204)
00000002 // Record Count (2)
000000c4 // Record Group Size (196)
// Record Group 2, Record 1 (98 bytes)
00000001 // Field/Value Count (1)
0000001e // Record Size (30)
00000038 // Request Record Size (56)
// Record Group 2, Record 1, Field/Value 1 (30 bytes)
00000006 // Field Name Size (6)
00000010 // Field Value Size (16)
646174614231 // "dataB1"
3c6172626974726172792064 // "< arbitrary data> "
6174613e
// Record Group 2, Record 1 (REQUEST RECORD) (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 2, Record 1, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423141 // "fieldB1A"
76616c7565423141 // "valueB1A"
// Record Group 2, Record 1, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423142 // "fieldB1B"
76616c7565423142 // "valueB1B"
// Record Group 2, Record 2 (98 bytes)
00000001 // Field/Value Count (1)
0000001e // Record Size (30)
00000038 // Request Record Size (56)
// Record Group 2, Record 2, Field/Value 1 (30 bytes)
00000006 // Field Name Size (6)
00000010 // Field Value Size (16)
646174614232 // "dataB2"
3c6172626974726172792064 // "< arbitrary data> "
6174613e
// Record Group 2, Record 2 (REQUEST RECORD) (56 bytes)
00000002 // Field/Value Count (2)
00000030 // Record Size (48)
// Record Group 2, Record 2, Field/Value 1 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423241 // "fieldB2A"
76616c7565423241 // "valueB2A"
// Record Group 2, Record 2, Field/Value 2 (24 bytes)
00000008 // Field Name Size (8)
00000008 // Field Value Size (8)
6669656c64423242 // "fieldB2B"
76616c7565423242 // "valueB2B"
03 // HDR:BODYEND
04 // HDR:MSGEND< / code > < / pre >
< / div >
< / div >
< / div >
< / details >
< div class = "paragraph" >
< p > Or, non-annotated:< / p >
< / div >
< div class = "listingblock" >
< div class = "content" >
< pre class = "rouge highlight" > < code data-lang = "text" > 061bd0ba719f010000000102000000020000019800000002000000c4000000010000001e00000038
00000006000000106461746141313c61726269747261727920646174613e00000002000000300000
0008000000086669656c6441314176616c756541314100000008000000086669656c644131427661
6c7565413142000000010000001e0000003800000006000000106461746141323c61726269747261
727920646174613e000000020000003000000008000000086669656c6441324176616c7565413241
00000008000000086669656c6441324276616c756541324200000002000000c4000000010000001e
0000003800000006000000106461746142313c61726269747261727920646174613e000000020000
003000000008000000086669656c6442314176616c756542314100000008000000086669656c6442
314276616c7565423142000000010000001e0000003800000006000000106461746142323c617262
69747261727920646174613e000000020000003000000008000000086669656c6442324176616c75
6542324100000008000000086669656c6442324276616c75654232420304< / code > < / pre >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< / div >
< div id = "footnotes" >
< hr >
< div class = "footnote" id = "_footnotedef_1" >
< a href = "#_footnoteref_1" > 1< / a > . Response messages only.
< / div >
< div class = "footnote" id = "_footnotedef_2" >
< a href = "#_footnoteref_2" > 2< / a > . Optional for Request.
< / div >
< div class = "footnote" id = "_footnotedef_3" >
< a href = "#_footnoteref_3" > 3< / a > . Required for Response.
< / div >
< / div >
< div id = "footer" >
< div id = "footer-text" >
Last updated 2024-07-07 23:31:43 -0400
< / div >
< / div >
< / body >
< / html >
